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- Schedule of Inventories (Details) - USD ($)
$ in Thousands
Feb. 29, 2020
Aug. 31, 2019
Inventory Disclosure [Abstract]    
Finished goods $ 62,569 $ 53,417
Work-in-process 110,058 82,926
Raw materials 106,865 105,804
Total 279,492 242,147
Less last-in, first-out ("LIFO") reserve 41,684 41,021
Inventories, net $ 237,808 $ 201,126